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| author | Yoichi Hirai <i@yoichihirai.com> | 2016-11-25 20:36:06 +0800 |
|---|---|---|
| committer | Yoichi Hirai <i@yoichihirai.com> | 2016-11-25 20:36:06 +0800 |
| commit | e136ec87041cce9d8d472e45f4dfbed9a8d02469 (patch) | |
| tree | bcb1e74e7fd6a4705e7e28c612d3be0d43094fd6 /libsolidity | |
| parent | aaf58a8c4e802b1c3c4098066e0788e55600660a (diff) | |
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ast: string literals that are not valid UTF are not convertible to strings
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/ast/Types.cpp | 9 | ||||
| -rw-r--r-- | libsolidity/ast/Types.h | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp index b7de3646..002ad657 100644 --- a/libsolidity/ast/Types.cpp +++ b/libsolidity/ast/Types.cpp @@ -879,7 +879,8 @@ bool StringLiteralType::isImplicitlyConvertibleTo(Type const& _convertTo) const else if (auto arrayType = dynamic_cast<ArrayType const*>(&_convertTo)) return arrayType->isByteArray() && - !(arrayType->dataStoredIn(DataLocation::Storage) && arrayType->isPointer()); + !(arrayType->dataStoredIn(DataLocation::Storage) && arrayType->isPointer()) && + !(arrayType->isString() && !isValidUTF8()); else return false; } @@ -906,6 +907,12 @@ TypePointer StringLiteralType::mobileType() const return make_shared<ArrayType>(DataLocation::Memory, true); } +bool StringLiteralType::isValidUTF8() const +{ + size_t dontCare {}; + return dev::validate(m_value, dontCare); +} + shared_ptr<FixedBytesType> FixedBytesType::smallestTypeForLiteral(string const& _literal) { if (_literal.length() <= 32) diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h index b713a7c0..72640a1c 100644 --- a/libsolidity/ast/Types.h +++ b/libsolidity/ast/Types.h @@ -425,6 +425,8 @@ public: virtual std::string toString(bool) const override; virtual TypePointer mobileType() const override; + bool isValidUTF8() const; + std::string const& value() const { return m_value; } private: |